45089556 has 12 divisors (see below), whose sum is σ = 105208992. Its totient is φ = 15029848.

The previous prime is 45089543. The next prime is 45089579. The reversal of 45089556 is 65598054.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1878720 + ... + 1878743.

It is an arithmetic number, because the mean of its divisors is an integer number (8767416).

Almost surely, 2^45089556 is an apocalyptic number.

It is an amenable number.

45089556 is an abundant number, since it is smaller than the sum of its proper divisors (60119436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45089556 is a wasteful number, since it uses less digits than its factorization.

45089556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3757470 (or 3757468 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 45089556 is about 6714.8757248366. The cubic root of 45089556 is about 355.9251304912.

The spelling of 45089556 in words is "forty-five million, eighty-nine thousand, five hundred fifty-six".